*{
    margin: 0;
    padding: 0;
}

body{
    background-image: url("https://s1.hdslb.com/bfs/static/blive/blfe-dynamic-web/static/img/background.bc725153.png");
}
#box1{
    height: 60vh;
    margin: 45px 60px;
    background-color: #fff;
    border-radius: 20px;
}

.btn-publish{
    float: right;
    margin-bottom: 15px;
}